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Effect of bismuth on microstructure of unmodified and Sr-modified Al-7Si-0.4Mg alloys

The effects of bismuth and the combination of bismuth and strontium on the eutectic silicon structure in Al-7Si-0.4Mg alloys were investigated under different solidification conditions. The results show that bismuth has a refining effect on the eutectic silicon and its refinement behavior increases...

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Main Authors: Farahany, Saeed, Ourdjini, Ali, Idris, Mohd. Hasbullah, Thai, L. T.
Format: Article
Published: The Nonferrous Metals Society of China 2011
Subjects:
TJ Mechanical engineering and machinery
Online Access:http://eprints.utm.my/id/eprint/28977/
http://dx.doi.org/10.1016/S1003-6326(11)60881-9
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id my.utm.28977
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spelling my.utm.289772019-03-05T01:50:50Z http://eprints.utm.my/id/eprint/28977/ Effect of bismuth on microstructure of unmodified and Sr-modified Al-7Si-0.4Mg alloys Farahany, Saeed Ourdjini, Ali Idris, Mohd. Hasbullah Thai, L. T. TJ Mechanical engineering and machinery The effects of bismuth and the combination of bismuth and strontium on the eutectic silicon structure in Al-7Si-0.4Mg alloys were investigated under different solidification conditions. The results show that bismuth has a refining effect on the eutectic silicon and its refinement behavior increases with increasing Bi content up to 0.5 (mass fraction). When bismuth is added into the molten alloy modified with strontium, a higher Sr/Bi mass ratio of at least 0.45 is required to attain full modification of the eutectic silicon. The Nonferrous Metals Society of China 2011-07 Article PeerReviewed Farahany, Saeed and Ourdjini, Ali and Idris, Mohd. Hasbullah and Thai, L. T. (2011) Effect of bismuth on microstructure of unmodified and Sr-modified Al-7Si-0.4Mg alloys. Transactions of Nonferrous Metals Society of China (English Edition), 21 (7). pp. 1455-1464. ISSN 1003-6326 http://dx.doi.org/10.1016/S1003-6326(11)60881-9 DOI:10.1016/S1003-6326(11)60881-9
institution Universiti Teknologi Malaysia
building UTM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Teknologi Malaysia
content_source UTM Institutional Repository
url_provider http://eprints.utm.my/
topic TJ Mechanical engineering and machinery
spellingShingle TJ Mechanical engineering and machinery
Farahany, Saeed
Ourdjini, Ali
Idris, Mohd. Hasbullah
Thai, L. T.
Effect of bismuth on microstructure of unmodified and Sr-modified Al-7Si-0.4Mg alloys
description The effects of bismuth and the combination of bismuth and strontium on the eutectic silicon structure in Al-7Si-0.4Mg alloys were investigated under different solidification conditions. The results show that bismuth has a refining effect on the eutectic silicon and its refinement behavior increases with increasing Bi content up to 0.5 (mass fraction). When bismuth is added into the molten alloy modified with strontium, a higher Sr/Bi mass ratio of at least 0.45 is required to attain full modification of the eutectic silicon.
format Article
author Farahany, Saeed
Ourdjini, Ali
Idris, Mohd. Hasbullah
Thai, L. T.
author_facet Farahany, Saeed
Ourdjini, Ali
Idris, Mohd. Hasbullah
Thai, L. T.
author_sort Farahany, Saeed
title Effect of bismuth on microstructure of unmodified and Sr-modified Al-7Si-0.4Mg alloys
title_short Effect of bismuth on microstructure of unmodified and Sr-modified Al-7Si-0.4Mg alloys
title_full Effect of bismuth on microstructure of unmodified and Sr-modified Al-7Si-0.4Mg alloys
title_fullStr Effect of bismuth on microstructure of unmodified and Sr-modified Al-7Si-0.4Mg alloys
title_full_unstemmed Effect of bismuth on microstructure of unmodified and Sr-modified Al-7Si-0.4Mg alloys
title_sort effect of bismuth on microstructure of unmodified and sr-modified al-7si-0.4mg alloys
publisher The Nonferrous Metals Society of China
publishDate 2011
url http://eprints.utm.my/id/eprint/28977/
http://dx.doi.org/10.1016/S1003-6326(11)60881-9
_version_ 1643648205119815680
score 13.211869

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